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71 – 9a = 215 what is a? please show your work.
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71 – 9a = 215 what is a? please show your work.
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Nov 15, 2018
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71 – 9a = 215 what is a? please show your work.
Mathematics
middle-school
Robert Bak
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71 - 9a = 215
-9a = 215 - 71
-9a/9 = 144/9
a = 16
hope this helps
Bower
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Nov 19, 2018
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Bower
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